Unsharp Mask: suggested starting values · Jun 5, 08:58 PM by Simon Mackie
Scott Kelby suggests using the following settings as starting points for Unsharp Mask (USM) in Photoshop. Give them a go:
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Remember that these are just guidelines – oversharpened images always look terrible. Try these as a starting point, but if you get symptoms of oversharpening (grain in the image, and “halos” around objects), back off a little bit. And always check the image at at least 100% zoom.
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